University of Oslo - Department of Microbiology, University of Oslo - Department of Microbiology, University of Oslo - Department of Microbiology, University of Oslo - Department of Medical Genetics, Norwegian University of Science and Technology (NTNU) - Department of Clinical and Molecular Medicine (IKOM), Norwegian University of Science and Technology (NTNU) - Department of Clinical and Molecular Medicine (IKOM), University of Oslo - Institute of Clinical Medicine, University of Oslo - Institute of Clinical Medicine, University of Oslo - Institute of Clinical Medicine, University of Oslo - Institute of Clinical Medicine, University of Oslo - Institute of Clinical Medicine, Norwegian University of Science and Technology (NTNU) - Department of Clinical and Molecular Medicine (IKOM) and University of Oslo - Institute of Clinical Medicine